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MARUYAMA TOSHIAKI

Overview
  • Total Patents
    11
About

MARUYAMA TOSHIAKI has a total of 11 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are TANIGUCHI MASAHARU, CHINA HEAVY MACHINERY INST and NANJING NEW CENTURY HORTICULTURAL RES INST.

Patent filings in countries

World map showing MARUYAMA TOSHIAKIs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing MARUYAMA TOSHIAKIs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Maruyama Toshiaki 11
#2 Sato Tetsusaburo 5
#3 Harakawa Minoru 1
#4 Iwasaki Mitsuyoshi 1
#5 Satou Nobuyuki 1
#6 Suzuki Yoshihiro 1
#7 Sato Yoriyuki 1
#8 Sato Kazunobu 1
#9 Sekiguchi Hirohiko 1

Latest patents

Publication Filing date Title
JP2005239111A Sheet for preventing dew condensation of windshield
JP2001246366A Process for removing oily component in wastewater
JPH10165793A Gas dissolving apparatus
JPH09469A Sprinkler utilizing empty bottle
JPH08290160A Method for removing oil component and surfactant component in waste water
JPH08257548A Removing method for polluting suspended substance in plain water type waste water
JPH07148416A Method and apparatus for deodorizing offensive odor gas
JPH07148414A Method and apparatus for making harmful gas harmless
JPH07100472A Method and apparatus for neutralization of alkali water
JPH06335613A Separation of fine particle in gas and its device
JPH06154731A Removal of pollutant in liquid